Shimano XTR Di2 RD-M9250 12-speed Rear Derailleur
Robust, indestructible and ready for anything. The XTR Di2 RD-M9250 12-speed rear derailleurs with medium and long cage from SHIMANO feature the brand new wireless Di2 shifting technology and an automatic impact recovery function - immediately returns the derailleur motor to its original position after an impact.

Robust, intuitive and consistent: XTR Di2 RD-M9250 12-speed Rear Derailleur from Shimano

What doesn't get hit can't get broken - the flat, wedge-shaped design of the new XTR rear derailleur prevents most stone chips and impacts on the trail. And if an impact does occur, the rear derailleur can slide off obstacles on the trail thanks to the smooth outer coating, preventing catastrophic damage. The automatic impact recovery function immediately returns the derailleur motor to its original position after an impact, while the wide joint structure, durable carbon plate, skid plate design and solid derailleur pulleys ensure robustness and durability.

The pinnacle of MTB technology from SHIMANO. Developed for the demands of professional racing, the XTR is SHIMANO's lightest component group and convinces with robustness and podium-proven performance. Whether XC or Enduro, the new XTR series has been developed to withstand tough trails and demanding tracks. Every single component gives you a secure feeling from start to finish. The wireless, robust drivetrain can also withstand hard knocks on the trail. Thanks to the intuitive controls, you can concentrate fully on the ride. With the even more stable and powerful braking system, you can always ride at your own pace.

---

Features - Shimano XTR Di2 RD-M9250 12-speed Rear Derailleur

• GS medium cage for 9-45 cassette: The rear derailleur with medium-length cage, optimized for shock resistance, is the first choice for both top enduro athletes and weight-conscious XC racers
• SGS long cage for 10-51 cassette: Speed paired with range; the long cage rear derailleur withstands hard impacts on the trail and scores with lightning-fast shifting speed and top-class performance at the same time
• Robust Design: A wide link structure, skid-plate design, durable carbon plate and solid pulley add robustness and longevity
• RD Protection Function: A new automatic impact recovery function instantly returns the derailleur motor to its original position after impact
• SHIMANO SHADOW ES: A slimmer, stronger evolution of Shimano’s pioneering chain-stabilizing Shadow concept
• Precise & Clean Wireless Shifting: Wireless Di2 paired with HYPERGLIDE+ technology result in smooth, precise and instantaneous shifts
• Wedge Shape: The new wedge shape of Shimano’s most survivable rear derailleur to-date avoids more direct impacts,and smoothly glances off rocks if there is a hit
• Protected Battery: Tucked safely inside an enclosed space, the battery won’t budge even in rough terrain, while remaining completely removable for charging
• LED status display

Product features

• Use: MTB
• Group: XTR M9200
• Model: RD-M9250
• Mount: Direct attachment (Conventional)
• Technology: Shadow ES
• Gradations: 
  • GS-Type 1x12-speed (9-45 cassette)
  • SGS-Type 1x12-speed (10-51 cassette)
• Compatible chain: 12-speed HG
• Max. teeth large sprocket: 45T (GS) / 51T (SGS)
• Min. teeth large sprocket: 45T (GS) / 51T (SGS)
• Max. teeth small sprocket: 9T (GS) / 10T (SGS)
• Min. teeth small sprocket: 9T (GS) / 10T (SGS)
• LED status indicator: Yes

Pully cage (choose variant)

• Type-GS medium
• Type-SGS long